public class Myqueue<E> extends Mylist<E>
{
	public Myqueue(){super();}
	public Myqueue<E> in(E obj)
	{
		insert(obj,size());
		return this;
	}
	public E out()
	{
		return remove(0);
	}
	public boolean empty()
	{
		return count == 0;
	}
}